白金 /báijīn/ angolul

platinum [platinums]▼(metal)
noun
[UK: ˈplæ.tɪ.nəm] [US: ˈplæt.nəm]

white gold▼(any precious metal alloy consisting of gold and a platinum group metal)
noun
[UK: waɪt ɡəʊld] [US: ˈwaɪt ɡoʊld]